<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>插入一段脚本</title>
</head>
<body>

<script type="text/javascript">
    for (let i = 1; i < 100; i++)
        document.write("<h1>王清脆</h1>")
</script>

</body>
</html>